The fearless pirates kept _______ on the waters off the coat of Somalia, from the Gulf of Aden to the Kenya border along the Indian Ocean.
| A．knocking on | B．knocking down |
| C．knocking about | D．knocking at |
This project _____ considered thoroughly, and I’m sure it _____ finished on time.
| A．must be; may be | B．should be; can be |
| C．may be; must be | D．can be; should |
When he got off the bus, he found his pocket ______.
| A．stolen | B．picked | C．gone | D．missing |
------ Look, where are you going ?
------ Oh, I’m terribly sorry. ______.
| A．I’m not noticing | B．I wasn’t noticing |
| C．I haven’t noticed | D．I don’t notice |
11. ______ she is young, she knows quite a lot.
| A．When | B．However | C．Although | D．Unless |
It is really hot ______ January in Xi’an now. Better take off your coat.
| A．in | B．during | C．for | D．to |